2020 Lincoln Nautilus Speedometer Isn't Working

Common Causes of Speedometer Malfunctions in Your 2020 Lincoln Nautilus and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Vehicle Speed Sensor (VSS)
0%
28% chance it's the
Speedometer
0%
23% chance it's the
Electrical Issue
0%
14% chance it's
Something else
The most common reasons a 2020 Lincoln Nautilus speedometer isn't working are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue.
  • Vehicle Speed Sensor (VSS): A faulty vehicle speed sensor can result in inaccurate speed readings and erratic transmission shifting.
  • Speedometer: A faulty speed sensor or a broken connection in the speedometer circuit can result in inaccurate speed readings.
  • Electrical Issue: A blown fuse or a short circuit in the wiring can cause various electrical issues in the vehicle's systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What steps should I take to diagnose the non-functioning speedometer in my 2020 Lincoln Nautilus?

To effectively diagnose the non-functioning speedometer in your 2020 Lincoln Nautilus, begin with the simplest solutions before progressing to more intricate assessments. Start by checking the fuse associated with the speedometer in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the speed sensor, which plays a crucial role in relaying speed data to the speedometer; any visible damage or malfunction here could be the culprit. Following this, examine the wiring connections to ensure they are secure and free from corrosion, as loose or corroded connections can disrupt the signal. If these initial checks do not resolve the issue, utilize an OBD-II scanner to scan for error codes that may indicate specific problems with the speedometer or vehicle speed sensor. Finally, if all else fails, consider testing the speedometer cluster itself, which may require specialized diagnostic equipment. By following this structured approach, you can systematically identify and address the root cause of your speedometer issues.

What are the common problems that could cause the speedometer to stop working in a 2020 Lincoln Nautilus?

When the speedometer in your 2020 Lincoln Nautilus stops working, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty vehicle speed sensor, which is responsible for relaying speed information to the speedometer. If this sensor malfunctions, it can lead to inaccurate readings or a complete failure of the speedometer. Another potential issue is a broken speedometer cable; if this cable is damaged, it can disrupt the connection needed for the speedometer to function properly. Additionally, a blown fuse in the instrument cluster can also cause the speedometer to stop working, so checking the fuses is a good first step. Problems within the instrument cluster itself, such as wiring issues or a malfunctioning gauge, can further complicate matters. Lastly, a defective speedometer head may be the reason for the malfunction. While some of these issues can be diagnosed and potentially fixed by a DIY enthusiast, it is often advisable to consult a qualified mechanic to ensure accurate repairs and safe vehicle operation.

How urgent is it to address the non-functioning speedometer in a 2020 Lincoln Nautilus?

Addressing a non-functioning speedometer in a 2020 Lincoln Nautilus is of utmost urgency due to the significant safety risks it poses. Without a functioning speedometer, drivers are unable to accurately gauge their speed, which can lead to dangerous driving situations, including the risk of accidents or unintentional speeding. Additionally, operating a vehicle with a faulty speedometer can result in legal repercussions, such as fines for exceeding speed limits, which can add unnecessary stress and financial burden. Beyond safety and legal concerns, a malfunctioning speedometer can hinder the vehicle's overall performance, as it is a critical component that helps monitor various systems within the car. Ignoring this issue may lead to more extensive and costly repairs down the line. Furthermore, for those considering resale, a well-maintained vehicle with all systems functioning properly retains its value better than one with unresolved issues. Therefore, it is crucial to prioritize the repair of a non-functioning speedometer to ensure safe driving, compliance with traffic laws, optimal vehicle performance, and the preservation of the vehicle's resale value.

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